Chemical News volume 9 (1864) (source code)

= Chemical News volume 9 (1864)
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{title2=1864}

https://upload.wikimedia.org/wikipedia/commons/0/04/The_chemical_news._Volume_9%2C_January_-_June_1864._%28IA_s713id13683310%29.pdf

January–June 1864, p.80, “Note on the Amount of Carbonic Acid contained in the Air of Manchester”: standardized baryta in 7–10 litre globes checked against gravimetric absorption.